This is a triple blinded randomized controlled trial with three parallel groups. 240 subjects, ages 3 or 4 will be randomly assigned to receive the usual post-operative care, the usual care plus a post-operative Healing Touch treatment, or the usual post-operative care plus a sham Healing Touch treatment done by an untrained research assistant. The participants & parents, the evaluators, and the principle investigator will be blinded to study group assignment.